jones



(No Model.

M. J. JONES.

DRUG MIXING MACHINE.

Patented May 1'7, 1887.

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N. PETERS. Phnwulho n hor. Washinglon, D. C.

MAROENUS J. JONES, OF PENN YAN, NE\V YORK.

DRUG-MIXING MACHINE.

SPECIFICATION forming part of Letters Patent No. 362,97], dated May 17, 1887. Application tiled March 3, 1886. Serial No. 193,825. (No model.)

To all whom it may concern:

Be it known that I, hLtRCENUS J. Jones, a citizen of the United States, residing at Penn Yan, in-thc county of Yates and State of New York, have invented a new and useful Drug- Mixing Machine, of which the following is a specification.

My invention relates to an improvement in mixing machines, and more particularly to that class of mixing-machines in which rotating paddles co-operate with sieves for the purpose of completely mixing and pulverizing the ingredients.

The object of my invention is to provide a machine which shall in less time and with less power mix drugs and powders more completely than those heretofore in use, and which shall at the same time pulverize all lumps and coarse grains which may be in the ingredients being mixed; and a further object is to provide a simple, effective, and inexpensive mixing-machine which shall be adapted for use eitherin the mannfactory or household.

XVith these ends in view my invention consists in certain novel features of construction and combinations of parts, as will be more fully described hereinafter, and pointed out in the claims.

In the accompanying drawings, Figure 1 is a central vertical sectional view of my complete machine. Fig. 2 isa central longitudinal sectional view showing the rotating paddles. Figs. 3 and 4. are plan views with all above line a m, Fig. 1, cut away, and showing sieves ofa different degree of fineness; and Figs. 5 and G are detail views of a sieve and cutoff plate.

A represents the main receptacle, which can be constructed of any convenient form, although in common use I prefer the cylindrical form, as shown. This receptacle is provided with supports or standards 0 C, and on its upper side with an opening or apertures,through which the ingredients to be mixed are poured into the main receptacle. This opening can be closed in any convenient manner, as by a lid or cover, a

In the ends of the receptacle A a shaft, B, is journalcd in bearings b b, one end, i, of the shaft being allowed to extend through an end of the receptacle, so that a crank, D, may be removably attached thereto.

Rigidly attached to the shaft B, near each end thereof, are two or more pairs of radiallyprojecting arms, b, which are connected to the slats or paddles I) by means of screws having their inner ends fastened to the paddles and their opposite ends passing through slots in the arms and provided with thumb-heads t, so that any paddle can be secured at a greater or less distance from the center of the circle in which it revolves by loosening the thumbheads until the screws can be moved in the slots, and then, when the paddle is adjusted, tightening the thumb-heads.

The arms If If are secured to the shaft B at such angles to each other that the paddles b I), which connect their ends, are formed in a curved or spiral line about the shaft B, so that every alternate paddle will curve in the same directioni.' 0., every paddle will curve in a reverse direction from the two adjoining paddles.

To the outer edge of at least one of the paddles I secure a brush, d, formed of bristles or any other suitable material, while to the outer edges of the remaining paddles I secure strips of leather, rubber, orany other yielding clastic substance, c.

Directly beneath and parallel with the shaft B is formed a diseharge-slot in the receptacle A. Attached to the edges of this slot are the parallel doubly -grooved blocks i 2', having their upper grooves cut deeper than thelower grooves, so as to appear as a series of steps. In the upper groove a sieve, c, is adapted to slide so that its upper edge will be flush with the inner edge of the receptacle A. In the lower grooves of the blocks 2' t a cut-off plate, F, is adapted to slide directly beneath the sieve c, and in such a manner that when the cut-off plate is in position beneath the sieve all communication from the receptacle A to the lower receptacle will be cut oft.

Directly beneath the discharge-slot, and within the walls of the supports 0 G,is placed a drawer, E, so as to catch all substances which may pass through the sieve 0 when the cut-oif plate is withdrawn. The drawer E, when pushed in or out, is adapted to run on the blocks 0'.

In using my i'nixing-machine I place the drugs or powders into the main receptacle, through the opening a, after seeing that the discharge-slot is closed by the cut-off plate, and then by turning the crank D the paddles b b are rotated ,which,by their peculiar shape, throw the ingredients first to one end of the receptacle and then, as the next paddle, having a reverse curve, reaches the ingredients, they are thrown to the opposite end of the receptacle. The paddles, at the same time they are thoroughly mixing the drugs by throwing them from one end of the receptacle to the other, are breaking up all lumps and coarse grains by grinding them against the sieve in the bottom of the receptacle, for the paddles are so adj ustcd that the elastic substances on their edges will rub with considerable pressure on the sieve as they revolve over it.

When the ingredients in the main receptacle are thoroughly mixed, the operator pulls out the-cut-off plate and continues to revolve the paddles, which, by action of the brush and elastic substance on their outer ed ges, rubbing the mixture to and fro over the surface of the sieve in the discharge-slot, gradually sift it through into the drawerbeneath, from whence it can be removed at the leisure of the operator. It will be readily seen that in my device the ingredients are not only thoroughly mixed, but

that they are reduced to a uniform degree of fineness by the action of the elastic substance on the paddles rubbing the drugs or powders back-and forth over the sieve, which may be of any degree of coarseness to suit the grain of the substances being mixed.

It will also be observed that the construction is simple and its use convenient, while it is eminently effective and durable.

It is evident that slight changes might be resorted to in the form and arrangement of the parts described without departing from the spiritand scope of my invention, hence I do not wish to limit myself strictly to the construction herein set forth; but, I Having fully described myinvention, whatI claim as new, and desire to secure by Letters Patent, isg 1. In a drug or powder mixing machine, a

main receptacle having a discharge-slot in its bottom and asieve and cut-off plate located therein, in combination with revolving paddles having a curved or spiral form adapted to rub over said sieve as they revolve, substantially as described.

2. The combination, in a drug mixing and pulverizing machine, of a main receptacle having a discharge-slot in its bottom and a sieve and cut-off plate located in said discharge-slot, with revolving paddles having a spiral or curved form operating over said sieve, every alternate paddle of which curves in the same direction, substantially as set forth, said paddles being provided on their outer edges with an elastic yielding substance, all arranged and adapted to operate substantially as described.

3. In a drug-mixing machine, a main receptacle provided with a dischargeslot in its bottom, a sieve located in said discharge-slot, and a cut-off plate removably located directly beneath said sieve, so as to prevent the ingredients from passing through the sieve before they are thoroughly mixed, in combination with paddles revolving in said receptacle, substantially as described. 7 I

4. In a drug mixing and pulverizing ma chine, a main receptacle having a sieve located in its bottom and a cut-01f plate located beneath said sieve, in combination with curved revolving paddles, each paddle of which curves in an opposite direction to the adjoining ones, and one of said paddles being provided on its outer edge witha brush and the remaining paddles being provided on their outer edges with some yielding elastic substance, said brush and yielding substance being adapted to rub the ingredients being mixed overthe face of and through the apertures in said sieve, for the purpose and in the manner substantially as described.

MARCENUS JfJones \Vitnesses:

E. HORTON, CHARLES GOBLE. 

